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Sampling
Abiotic Factors(non-living)
Biotic Factors(living)
Disease
Predators
Food
Light IntensityTemperature
PollutionMoisture
How could we sample…Abiotic factors such as light intensity and moisture?
Plants in an area? Insects on the ground?
How could we catch our own living things to identify?
Living things on the ground?Living things which fly?Living things on trees?Living things in streams?Living things in rockpools?Living things in ponds?Living things which come out at night?
Think about plants and animals
Tree Beating
Kick Netting
Pond Dipping
Rock Poolinghttp://www.bbc.co.uk/learningzone/clips/rockpools/49.html
http://www.bbc.co.uk/learningzone/clips/what-do-you-find-in-a-rock-pool/2310.html
Moth Trapping
Pitfall Traps
Quadrat
Abiotic Factor Measurement Error Solution
Light Intensity Light meter Shading the meter
Make sure your shadow doesn’t
land on the meter
Moisture Moisture meter Excess moisture on probe
Wipe probe between readings
Sources of Error
Sources of Error
Organism Sampling technique Error Solution
Plants
Quadrat
Unreliable results
Throw quadrat randomly.
Ground dwelling insects
Pitfall Trap
Unreliable results
Cover trap with rock to stop birds eating
sample.
How can you find out what lives in an area?
http://www.bbc.co.uk/nature/order/Lepidoptera#p0081gf1
http://www.bbc.co.uk/nature/order/Lepidoptera#p004hfqp
http://www.bbc.co.uk/programmes/p003x6g8